RU2020110468A - REFRACTORY MIXTURE, METHOD FOR PRODUCING UNSHAPED CERAMIC REFRACTORY FROM THIS MIXTURE, AS WELL AS UNSHAPED CERAMIC REFRACTORY PRODUCED BY THIS METHOD - Google Patents

REFRACTORY MIXTURE, METHOD FOR PRODUCING UNSHAPED CERAMIC REFRACTORY FROM THIS MIXTURE, AS WELL AS UNSHAPED CERAMIC REFRACTORY PRODUCED BY THIS METHOD Download PDF

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RU2020110468A
RU2020110468A RU2020110468A RU2020110468A RU2020110468A RU 2020110468 A RU2020110468 A RU 2020110468A RU 2020110468 A RU2020110468 A RU 2020110468A RU 2020110468 A RU2020110468 A RU 2020110468A RU 2020110468 A RU2020110468 A RU 2020110468A
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mixture
refractory
mixture according
aluminum
following
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RU2020110468A
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RU2781366C2 (en
RU2020110468A3 (en
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Штефан ХАЙД
Роланд Нилика
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Рифрэктори Интеллектчуал Проперти Гмбх Унд Ко. Кг
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Claims (24)

1. Огнеупорная смесь, которая содержит следующие компоненты:1. A refractory mixture that contains the following components: основной компонент, содержащий один или несколько сырьевых материалов на основе магнезии,the main component containing one or more raw materials based on magnesia, углеродный компонент, содержащий один или несколько носителей углерода,a carbon component containing one or more carbon carriers, алюминиевый компонент, содержащий один или несколько носителей металлического алюминия,an aluminum component containing one or more aluminum metal carriers, водная связка иwater bond and один или несколько сульфатов с растворимостью по меньшей мере 15 г на 100 г воды.one or more sulfates with a solubility of at least 15 g per 100 g of water. 2. Смесь по п. 1, в которой сульфатами является один или несколько следующих сульфатов: сульфат натрия, сульфат железа, сульфат лития, сульфат магния, сульфат алюминия.2. A mixture according to claim 1, in which the sulfates are one or more of the following sulfates: sodium sulfate, iron sulfate, lithium sulfate, magnesium sulfate, aluminum sulfate. 3. Смесь по меньшей мере по одному из предыдущих пунктов, в которой основной компонент на по меньшей мере 90 мас. % состоит из магнезии.3. A mixture according to at least one of the previous paragraphs, in which the main component is at least 90 wt. % consists of magnesium. 4. Смесь по меньшей мере по одному из предыдущих пунктов, в которой основной компонент состоит из одного или нескольких следующих сырьевых материалов на основе магнезии: периклаза, плавленого магнезита.4. A mixture according to at least one of the previous claims, in which the main component consists of one or more of the following raw materials based on magnesia: periclase, fused magnesite. 5. Смесь по меньшей мере по одному из предыдущих пунктов, в которой основной компонент присутствует в количестве по меньшей мере 75 мас. %.5. A mixture according to at least one of the previous paragraphs, in which the main component is present in an amount of at least 75 wt. %. 6. Смесь по меньшей мере по одному из предыдущих пунктов, в которой алюминиевый компонент состоит из одного или нескольких следующих носителей металлического алюминия: металлического алюминия, по меньшей мере одного алюминийсодержащего металлического сплава.6. A mixture according to at least one of the preceding claims, wherein the aluminum component consists of one or more of the following aluminum metal carriers: aluminum metal, at least one aluminum-containing metal alloy. 7. Смесь по меньшей мере по одному из предыдущих пунктов, в которой один или несколько сульфатов присутствуют в количестве от 0,05 мас.% до 1,0 мас. %.7. A mixture according to at least one of the previous paragraphs, in which one or more sulfates are present in an amount of from 0.05 wt.% to 1.0 wt. %. 8. Смесь по меньшей мере по одному из предыдущих пунктов, в которой водная связка присутствует в количестве от 4,0 мас. %. до 15,0 мас. %.8. A mixture according to at least one of the previous paragraphs, in which the water binder is present in an amount of 4.0 wt. %. up to 15.0 wt. %. 9. Способ получения неформованного керамического огнеупора, заключающийся в выполнении следующих стадий:9. A method for producing an unshaped ceramic refractory, which consists in performing the following steps: подготавливают смесь по меньшей мере по одному из предыдущих пунктов,prepare a mixture according to at least one of the previous paragraphs, подготавливают сосуд для приема расплавленной стали в установке для ее обработки,preparing a vessel for receiving molten steel in a plant for its processing, заливают смесь на тот участок сосуда, который при его применении в установке входит в контакт с расплавленной сталью,pour the mixture on that part of the vessel, which, when used in the installation, comes into contact with molten steel, сосуд нагревают таким образом, что залитая на его участок смесь образует неформованный керамический огнеупор.the vessel is heated in such a way that the mixture poured into its area forms an unshaped ceramic refractory. 10. Огнеупор, полученный способом по п. 9 и имеющий следующие фазы:10. Refractory obtained by the method according to claim 9 and having the following phases: периклаз,periclase, шпинель иspinel and оксикарбид алюминия.aluminum oxycarbide. 11. Огнеупор, полученный способом по п. 9 и обладающий по меньшей мере одним из следующих физических свойств:11. Refractory obtained by the method according to claim 9 and having at least one of the following physical properties: плотность в необожженном состоянииunfired density 2,55-2,70 г/см3 2.55-2.70 g / cm 3 открытая пористостьopen porosity 16-22 об.%16-22 vol.% прочность на изгиб в холодном состоянииcold bending strength 0,5-5 МПа0.5-5 MPa прочность на сжатие при комнатной температуреcompressive strength at room temperature 15-40 МПа15-40 MPa прочность на горячий изгибhot bend strength (1400°С, восстановительная атмосфера)(1400°С, reducing atmosphere) 5-8 МПа5-8 MPa прочность на горячий изгибhot bend strength (1500°С, восстановительная атмосфера)(1500°C, reducing atmosphere) 4-7 МПа4-7 MPa
RU2020110468A 2017-12-19 2018-11-08 Refractory mixture, method for production of non-molded ceramic refractory of this mixture, as well as non-molded ceramic refractory obtained by this method RU2781366C2 (en)

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